Abstract

Measurements on the coexistence curves of the binary fluid mixture methanol–cyclohexane with increasing amounts of acetone impurity showed essentially linear changes in the critical temperature and critical concentration with impurity. Adding 1.0% acetone impurity caused the critical temperature to decrease by 3.4 K, the effective critical exponent β to increase and the critical concentration, as measured by volume fraction methanol, to decrease by 0.005.

Keywords

CyclohexaneAcetoneImpurityMethanolVolume fractionCritical exponentVolume (thermodynamics)Binary numberThermodynamicsChemistryAnalytical Chemistry (journal)Materials scienceChromatographyPhysical chemistryOrganic chemistryPhase transitionPhysics

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Publication Info

Year
1984
Type
article
Volume
80
Issue
2
Pages
856-859
Citations
61
Access
Closed

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R. H. Cohn, D. T. Jacobs (1984). Acetone impurity effects on the binary fluid mixture methanol–cyclohexane. The Journal of Chemical Physics , 80 (2) , 856-859. https://doi.org/10.1063/1.446739

Identifiers

DOI
10.1063/1.446739